The EDEN study will make it possible to evaluate one or more development phases (from design to validation through optimization) of a method or a technique on voluntary subjects, in normal or pathological condition.

Inclusion Criteria for all subjects :

• to be over 18 year-old,
• to be enrolled in a social security plan,
• to have underwent a pre-inclusion medical examination,
• to give a written consent.

Inclusion Criteria for volunteers with pathology :

- person with a pathology characterized by a functional and / or morphological alteration that may have an impact on the data collected (images, physiological signals, ...).

Exclusion Criteria for all subjects :

• any contraindication to MR examination (active medical device, ferromagnetic foreign body, pregnancy, morbid obesity, claustrophobia, … ),
• subject under a measure of legal protection,
• Person who refuses to be informed by a doctor in th event of a fortuitus discovery of an abnormality on the MRI examination requiring additionnal examinations or specific treatment.